
Songs about Safwa:
Ya Safwa Ti by Bjarte Eike from the Album Siwan
Safwa Intro by Safwa from the Album Safwa STK-008

Books about Safwa:
Witchcraft, Sorcery and Social Categories Among the Safwa by Alan Harwood (Apr 1970)
Four exploratory soil surveys in Mpika and Chinsali Districts, Mbati area, Nabwalia-Chibindi area, Mupamadzi area... by Peter Woode (1981)

Wiki information Safwa:
Safwa is a city in the Eastern Province of Saudi Arabia situated on the Persian Gulf coast. It follows Qatif area and has a population of about 57,000 people. Safwa administrative community include; Al-Awjam, Um Al-Sahec, Asfirh, Al-Roihih,...
The Safwa are an ethnic and linguistic group based in the mountains of the Mbeya Region, Tanzania. The Safwa language is a member of the large Niger–Congo language family group. Alternate names for Safwa are Ishisafwa, Cisafwa, and Kisafwa. Its...